Fix test_write_notebook_does_not_change_it

#305 #356
mwouts · Oct 23, 2019 · 52346b2 · 52346b2
1 parent e27b7e5
commit 52346b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jupytext/cell_to_text.py b/jupytext/cell_to_text.py
@@ -33,7 +33,7 @@ def __init__(self, cell, default_language, fmt=None):
         self.ext = self.fmt.get('extension')
         self.cell_type = cell.cell_type
         self.source = cell_source(cell)
-        self.unfiltered_metadata = cell.metadata
+        self.unfiltered_metadata = copy(cell.metadata)
         self.metadata = filter_metadata(copy(cell.metadata),
                                         self.fmt.get('cell_metadata_filter'),
                                         _IGNORE_CELL_METADATA)